A solar type II radio burst from CME-coronal ray interaction: simultaneous radio and EUV imagingSimultaneous radio and extreme ultraviolet (EUV)/white-light imaging data are examined for a solar type II radio burst occurring on 2010 March 18 to deduce its source location. Using a bow-shock…Yao Chen, Guohui Du, Li Feng et al.·Apr 11, 2014SaveLearn
Planetary Kp index forecast using autoregressive modelsThe geomagnetic Kp index is derived from the K index measurements obtained from thirteen stations located around the Earth geomagnetic latitudes between 48 and 63. This index is…Arian Ojeda Gonzalez, Clezio Marcos Denardini, Siomel Savio Odriozola et al.·Apr 10, 2014SaveLearn
Daubechies wavelet coefficients: a tool to study interplanetary magnetic field fluctuationsWe have studied a set of 41 magnetic clouds (MCs) measured by the ACE spacecraft, using the discrete orthogonal wavelet transform (Daubechies wavelet of order two) in three regions: Pre-MC (plasma…Arian Ojeda González, Odim Mendes Junior, Margarete Oliveira Domingues et al.·Apr 10, 2014SaveLearn
Characterization of the Turbulent Magnetic Integral Length in the Solar Wind: From 0.3 to 5 Astronomical UnitsThe solar wind is a structured and complex system, in which the fields vary strongly over a wide range of spatial and temporal scales. As an example, the turbulent activity in the wind affects the…M. E. Ruiz, S. Dasso, W. H. Matthaeus et al.·Apr 10, 2014SaveLearn
The Flyby Anomaly and the Effect of a Topological Torsion CurrentA new variational technique determines the general condition of equilibrium of a rotating gravito-electromagnetic system and provides a modified dynamical equation of motion from where it emerges a…Mario J. Pinheiro·Apr 3, 2014SaveLearn
Drag Forces, Neutral Wind and Electric Conductivity Changes in the Ionospheric E RegionThe neutrals in the Earth environment are in fact free and subjected to drag forces (by ions). In this study we show that drag or friction forces in the ionosphere-thermosphere system initiate…Petko Nenovski·Mar 31, 2014SaveLearn
Equilibria of a charged artificial satellite subject to gravitational and Lorentz torquesAttitude Dynamics of a rigid artificial satellite subject to gravity gradient and Lorentz torques in a circular orbit is considered. Lorentz torque is developed on the basis of the electrodynamic…Yehia A. Abdel-Aziz, Muhammad Shoaib·Mar 18, 2014SaveLearn
Magnetic Reconnection and Intermittent Turbulence in the Solar WindA statistical relationship between magnetic reconnection, current sheets and intermittent turbulence in the solar wind is reported for the first time using in-situ measurements from the Wind…K. T. Osman, W. H. Matthaeus, J. T. Gosling et al.·Mar 18, 2014SaveLearn
Voyager 1 and 2 Observations of Cosmic Ray Intensities in the North-South Heliosheaths-Implications for the Latitude Extent of the Heliospheric Current Sheet and Radial Structure in the HeliosheathThe paper describes differences in the intensity as a function of radial distance of anomalous and galactic cosmic rays in the N-S heliosheaths as observed by the Voyager 1 and 2 spacecraft…W. R. Webber, D. S. Intriligator·Mar 13, 2014SaveLearn
Plasma wave mediated electron pairing effectsPairing of particles, in particular electrons, in high temperature plasma is generally not expected to occur. Here we investigate, based on earlier work, the possibility for electron pairing mediated…R. A. Treumann, W. Baumjohann·Feb 25, 2014SaveLearn
Solar wind protons at 1 AU: trends and bounds, constraints and correlationsThe proton temperature anisotropy in the solar wind exhibits apparent bounds which are compatible with the theoretical constraints imposed by temperature-anisotropy driven kinetic instabilities.…Petr Hellinger, Pavel M. Travnicek·Feb 19, 2014SaveLearn
Perihelion advances for the orbits of Mercury, Earth and Pluto from Extended Theory of General Relativity (ETGR)We explore the geodesic movement on an effective four-dimensional hypersurface that is embedded in a five-dimensional Ricci-flat manifold described by a canonical metric, in order to applying to…Luis Santiago Ridao, Rodrigo Avalos, Martín Daniel De Cicco et al.·Feb 18, 2014SaveLearn
Ionospheric Disturbances and their Impact on IPS Using MEXART ObservationsWe study the impact of ionospheric disturbances on the Earth's environment caused by the solar events that occurred from 20 April to 31 May 2010, using observations from the Mexican Array Radio…Mario Rodríguez-Martínez, H. Román Pérez-Enríquez, Armando Carrillo-Vargas et al.·Feb 11, 2014SaveLearn
Relativistic surfatron process for Landau resonant electrons in radiation beltsRecent theoretical studies of the nonlinear wave-particle interactions for relativistic particles have shown that Landau resonant orbits could be efficiently accelerated along the mean background…A. Osmane, A. M. Hamza·Feb 7, 2014SaveLearn
Temperature evolution of magnetic flux rope in a failed solar eruptionIn this presentation, we report for the first time the detailed temperature evolution process of the magnetic flux rope in a failed solar eruption. Occurred on January 05, 2013, the flux rope was…Hongqiang Song, Jie Zhang, Xin Cheng et al.·Feb 7, 2014SaveLearn
Anomalous dynamics of the extremely compressed magnetosphere during 21 January 2005 magnetic stormDynamics of the dayside magnetosphere and proton radiation belt was analyzed during unusual magnetic storm on 21 January 2005. We have found that during the storm from 1712 to 2400 UT, the subsolar…A. V. Dmitriev, A. V. Suvorova, J. -K. Chao et al.·Feb 5, 2014SaveLearn
Advanced spectral analysis of ionospheric waves observed with sparse arraysThis paper presents a case study from a single, six-hour observing period to illustrate the application of techniques developed for interferometric radio telescopes to the spectral analysis of…Joseph Helmboldt, Huib Intema·Feb 4, 2014SaveLearn
Dependence of geosynchronous relativistic electron enhancements on geomagnetic parametersRelativistic electron fluxes observed in geosynchronous orbit by GOES-8 in 1997 to 2000 were considered as a complex function of geomagnetic indices PC, Kp, and Dst as well as parameters of the…A. V. Dmitriev, J. -K. Chao·Feb 4, 2014SaveLearn
Collisionless Magnetic Reconnection in Space PlasmasMagnetic reconnection requires the violation of the frozen-in condition which ties gyrating charged particles to the magnetic field inhibiting diffusion. Ongoing reconnection has been identified in…R. A. Treumann, W. Baumjohann·Jan 23, 2014SaveLearn
Superdiffusion revisited in view of collisionless reconnectionThe concept of diffusion in collisionless space plasmas like those near the magnetopause and in the geomagnetic tail is reexamined from a fundamental statistical point of view making use of the…R. A. Treumann, W. Baumjohann·Jan 11, 2014SaveLearn
Weibel, Firehose and Mirror mode RelationsExcitation of Weibel magnetic fields in an initially non-magnetized though anisotropic plasma may trigger other low-frequency instabilities fed by pressure anisotropy. It is shown that under…R. A. Treumann, W. Baumjohann·Jan 11, 2014SaveLearn
Towards Space Solar Power - Examining Atmospheric Interactions of Power Beams with the HAARP FacilityIn the most common space solar power (SSP) system architectures, solar energy harvested by large satellites in geostationary orbit is transmitted to Earth via microwave radiation. Currently, only…M. Leitgab, A. Cowley·Jan 8, 2014SaveLearn
Kinematic Properties of Slow ICMEs and an Interpretation of a Modified Drag Equation for Fast and Moderate ICMEsWe report kinematic properties of slow interplanetary coronal mass ejections (ICMEs) identified by SOHO/LASCO, interplanetary scintillation, and in-situ observations, and propose a modified equation…T. Iju, M. Tokumaru, K. Fujiki·Jan 8, 2014SaveLearn
Influence of the interplanetary driver type on the durations of main and recovery phases of magnetic stormsWe study durations of main and recovery phases of magnetic storms induced by different types of large-scale solar-wind streams (Sheath, magnetic cloud (MC), Ejecta and CIR) on the basis of OMNI data…Yu. I. Yermolaev, I. G. Lodkina, N. S. Nikolaeva et al.·Dec 30, 2013SaveLearn
Longitudinal variations of positive dayside ionospheric storms related to recurrent geomagnetic stormsWe have performed an analysis of case events and statistics of positive ionospheric storms in the dayside region of the equatorial ionization anomaly during recurrent geomagnetic storms (RGSs), which…A. V. Dmitriev, C. -M. Huang, P. S. Brahmanandam et al.·Dec 19, 2013SaveLearn